main:
	add $4, $2, $3
	lw $4, 4($2)
	sw $2, 8($2)
	sub $2, $4, $3
	or $2, $4, $3
	and $2, $4, $3
	slt $2, $4, $3
	beq $4, $3, exit
	j main
	
exit:	lw $2, 0($3)
	j main